ホーム › NetworkManagement.WNet › WNetUseConnectionA

WNetUseConnectionA

関数

ローカル名割り当てなしでネットワークリソースに接続する(ANSI版)。

DLLMPR.dll文字セットANSI (-A)呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// MPR.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR WNetUseConnectionA(
    HWND hwndOwner,   // optional
    NETRESOURCEA* lpNetResource,
    LPCSTR lpPassword,   // optional
    LPCSTR lpUserId,   // optional
    NET_CONNECT_FLAGS dwFlags,
    LPSTR lpAccessName,   // optional
    DWORD* lpBufferSize,   // optional
    DWORD* lpResult   // optional
);

パラメーター

名前	型	方向	説明
hwndOwner	HWND	inoptional	資格情報入力ダイアログの親ウィンドウハンドル。不要ならNULL可。
lpNetResource	NETRESOURCEA*	in	接続先や種別を記述したNETRESOURCEA構造体へのポインタ。
lpPassword	LPCSTR	inoptional	接続に用いるパスワードのANSI文字列。既定資格情報ならNULL可。
lpUserId	LPCSTR	inoptional	接続に用いるユーザー名のANSI文字列。既定ユーザーならNULL可。
dwFlags	NET_CONNECT_FLAGS	in	接続動作を制御するフラグ(CONNECT_REDIRECT等)。
lpAccessName	LPSTR	outoptional	割り当てられたローカルデバイス名を受け取るANSIバッファ。
lpBufferSize	DWORD*	inoutoptional	lpAccessNameの文字数を入出力で渡し、必要文字数を受け取る。
lpResult	DWORD*	outoptional	接続結果(CONNECT_LOCALDRIVE等)を受け取る出力先。

戻り値の型: WIN32_ERROR

各言語での呼び出し定義

// MPR.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR WNetUseConnectionA(
    HWND hwndOwner,   // optional
    NETRESOURCEA* lpNetResource,
    LPCSTR lpPassword,   // optional
    LPCSTR lpUserId,   // optional
    NET_CONNECT_FLAGS dwFlags,
    LPSTR lpAccessName,   // optional
    DWORD* lpBufferSize,   // optional
    DWORD* lpResult   // optional
);

[DllImport("MPR.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint WNetUseConnectionA(
    IntPtr hwndOwner,   // HWND optional
    IntPtr lpNetResource,   // NETRESOURCEA*
    [MarshalAs(UnmanagedType.LPStr)] string lpPassword,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] string lpUserId,   // LPCSTR optional
    uint dwFlags,   // NET_CONNECT_FLAGS
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpAccessName,   // LPSTR optional, out
    IntPtr lpBufferSize,   // DWORD* optional, in/out
    IntPtr lpResult   // DWORD* optional, out
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetUseConnectionA(
    hwndOwner As IntPtr,   ' HWND optional
    lpNetResource As IntPtr,   ' NETRESOURCEA*
    <MarshalAs(UnmanagedType.LPStr)> lpPassword As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpUserId As String,   ' LPCSTR optional
    dwFlags As UInteger,   ' NET_CONNECT_FLAGS
    <MarshalAs(UnmanagedType.LPStr)> lpAccessName As System.Text.StringBuilder,   ' LPSTR optional, out
    lpBufferSize As IntPtr,   ' DWORD* optional, in/out
    lpResult As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' hwndOwner : HWND optional
' lpNetResource : NETRESOURCEA*
' lpPassword : LPCSTR optional
' lpUserId : LPCSTR optional
' dwFlags : NET_CONNECT_FLAGS
' lpAccessName : LPSTR optional, out
' lpBufferSize : DWORD* optional, in/out
' lpResult : DWORD* optional, out
Declare PtrSafe Function WNetUseConnectionA Lib "mpr" ( _
    ByVal hwndOwner As LongPtr, _
    ByVal lpNetResource As LongPtr, _
    ByVal lpPassword As String, _
    ByVal lpUserId As String, _
    ByVal dwFlags As Long, _
    ByVal lpAccessName As String, _
    ByVal lpBufferSize As LongPtr, _
    ByVal lpResult As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WNetUseConnectionA = ctypes.windll.mpr.WNetUseConnectionA
WNetUseConnectionA.restype = wintypes.DWORD
WNetUseConnectionA.argtypes = [
    wintypes.HANDLE,  # hwndOwner : HWND optional
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEA*
    wintypes.LPCSTR,  # lpPassword : LPCSTR optional
    wintypes.LPCSTR,  # lpUserId : LPCSTR optional
    wintypes.DWORD,  # dwFlags : NET_CONNECT_FLAGS
    wintypes.LPSTR,  # lpAccessName : LPSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpResult : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetUseConnectionA = Fiddle::Function.new(
  lib['WNetUseConnectionA'],
  [
    Fiddle::TYPE_VOIDP,  # hwndOwner : HWND optional
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEA*
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpUserId : LPCSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : NET_CONNECT_FLAGS
    Fiddle::TYPE_VOIDP,  # lpAccessName : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpResult : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetUseConnectionA(
        hwndOwner: *mut core::ffi::c_void,  // HWND optional
        lpNetResource: *mut NETRESOURCEA,  // NETRESOURCEA*
        lpPassword: *const u8,  // LPCSTR optional
        lpUserId: *const u8,  // LPCSTR optional
        dwFlags: u32,  // NET_CONNECT_FLAGS
        lpAccessName: *mut u8,  // LPSTR optional, out
        lpBufferSize: *mut u32,  // DWORD* optional, in/out
        lpResult: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetUseConnectionA(IntPtr hwndOwner, IntPtr lpNetResource, [MarshalAs(UnmanagedType.LPStr)] string lpPassword, [MarshalAs(UnmanagedType.LPStr)] string lpUserId, uint dwFlags, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpAccessName, IntPtr lpBufferSize, IntPtr lpResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetUseConnectionA' -Namespace Win32 -PassThru
# $api::WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)

#uselib "MPR.dll"
#func global WNetUseConnectionA "WNetUseConnectionA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WNetUseConnectionA hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult)   ; 戻り値は stat
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEA* -> "sptr"
; lpPassword : LPCSTR optional -> "sptr"
; lpUserId : LPCSTR optional -> "sptr"
; dwFlags : NET_CONNECT_FLAGS -> "sptr"
; lpAccessName : LPSTR optional, out -> "sptr"
; lpBufferSize : DWORD* optional, in/out -> "sptr"
; lpResult : DWORD* optional, out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "MPR.dll"
#cfunc global WNetUseConnectionA "WNetUseConnectionA" sptr, var, str, str, int, var, var, var
; res = WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEA* -> "var"
; lpPassword : LPCSTR optional -> "str"
; lpUserId : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPSTR optional, out -> "var"
; lpBufferSize : DWORD* optional, in/out -> "var"
; lpResult : DWORD* optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "MPR.dll"
#cfunc global WNetUseConnectionA "WNetUseConnectionA" sptr, sptr, str, str, int, sptr, sptr, sptr
; res = WNetUseConnectionA(hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult))
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEA* -> "sptr"
; lpPassword : LPCSTR optional -> "str"
; lpUserId : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPSTR optional, out -> "sptr"
; lpBufferSize : DWORD* optional, in/out -> "sptr"
; lpResult : DWORD* optional, out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; WIN32_ERROR WNetUseConnectionA(HWND hwndOwner, NETRESOURCEA* lpNetResource, LPCSTR lpPassword, LPCSTR lpUserId, NET_CONNECT_FLAGS dwFlags, LPSTR lpAccessName, DWORD* lpBufferSize, DWORD* lpResult)
#uselib "MPR.dll"
#cfunc global WNetUseConnectionA "WNetUseConnectionA" intptr, var, str, str, int, var, var, var
; res = WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
; hwndOwner : HWND optional -> "intptr"
; lpNetResource : NETRESOURCEA* -> "var"
; lpPassword : LPCSTR optional -> "str"
; lpUserId : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPSTR optional, out -> "var"
; lpBufferSize : DWORD* optional, in/out -> "var"
; lpResult : DWORD* optional, out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; WIN32_ERROR WNetUseConnectionA(HWND hwndOwner, NETRESOURCEA* lpNetResource, LPCSTR lpPassword, LPCSTR lpUserId, NET_CONNECT_FLAGS dwFlags, LPSTR lpAccessName, DWORD* lpBufferSize, DWORD* lpResult)
#uselib "MPR.dll"
#cfunc global WNetUseConnectionA "WNetUseConnectionA" intptr, intptr, str, str, int, intptr, intptr, intptr
; res = WNetUseConnectionA(hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult))
; hwndOwner : HWND optional -> "intptr"
; lpNetResource : NETRESOURCEA* -> "intptr"
; lpPassword : LPCSTR optional -> "str"
; lpUserId : LPCSTR optional -> "str"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPSTR optional, out -> "intptr"
; lpBufferSize : DWORD* optional, in/out -> "intptr"
; lpResult : DWORD* optional, out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetUseConnectionA = mpr.NewProc("WNetUseConnectionA")
)

// hwndOwner (HWND optional), lpNetResource (NETRESOURCEA*), lpPassword (LPCSTR optional), lpUserId (LPCSTR optional), dwFlags (NET_CONNECT_FLAGS), lpAccessName (LPSTR optional, out), lpBufferSize (DWORD* optional, in/out), lpResult (DWORD* optional, out)
r1, _, err := procWNetUseConnectionA.Call(
	uintptr(hwndOwner),
	uintptr(lpNetResource),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpPassword))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpUserId))),
	uintptr(dwFlags),
	uintptr(lpAccessName),
	uintptr(lpBufferSize),
	uintptr(lpResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetUseConnectionA(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEA*
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpUserId: PAnsiChar;   // LPCSTR optional
  dwFlags: DWORD;   // NET_CONNECT_FLAGS
  lpAccessName: PAnsiChar;   // LPSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnectionA';

result := DllCall("MPR\WNetUseConnectionA"
    , "Ptr", hwndOwner   ; HWND optional
    , "Ptr", lpNetResource   ; NETRESOURCEA*
    , "AStr", lpPassword   ; LPCSTR optional
    , "AStr", lpUserId   ; LPCSTR optional
    , "UInt", dwFlags   ; NET_CONNECT_FLAGS
    , "Ptr", lpAccessName   ; LPSTR optional, out
    , "Ptr", lpBufferSize   ; DWORD* optional, in/out
    , "Ptr", lpResult   ; DWORD* optional, out
    , "UInt")   ; return: WIN32_ERROR

●WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult) = DLL("MPR.dll", "dword WNetUseConnectionA(void*, void*, char*, char*, dword, char*, void*, void*)")
# 呼び出し: WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> "void*"
# lpNetResource : NETRESOURCEA* -> "void*"
# lpPassword : LPCSTR optional -> "char*"
# lpUserId : LPCSTR optional -> "char*"
# dwFlags : NET_CONNECT_FLAGS -> "dword"
# lpAccessName : LPSTR optional, out -> "char*"
# lpBufferSize : DWORD* optional, in/out -> "void*"
# lpResult : DWORD* optional, out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "mpr" fn WNetUseConnectionA(
    hwndOwner: ?*anyopaque, // HWND optional
    lpNetResource: [*c]NETRESOURCEA, // NETRESOURCEA*
    lpPassword: [*c]const u8, // LPCSTR optional
    lpUserId: [*c]const u8, // LPCSTR optional
    dwFlags: u32, // NET_CONNECT_FLAGS
    lpAccessName: [*c]u8, // LPSTR optional, out
    lpBufferSize: [*c]u32, // DWORD* optional, in/out
    lpResult: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc WNetUseConnectionA(
    hwndOwner: pointer,  # HWND optional
    lpNetResource: ptr NETRESOURCEA,  # NETRESOURCEA*
    lpPassword: cstring,  # LPCSTR optional
    lpUserId: cstring,  # LPCSTR optional
    dwFlags: uint32,  # NET_CONNECT_FLAGS
    lpAccessName: ptr char,  # LPSTR optional, out
    lpBufferSize: ptr uint32,  # DWORD* optional, in/out
    lpResult: ptr uint32  # DWORD* optional, out
): uint32 {.importc: "WNetUseConnectionA", stdcall, dynlib: "MPR.dll".}

pragma(lib, "mpr");
extern(Windows)
uint WNetUseConnectionA(
    void* hwndOwner,   // HWND optional
    NETRESOURCEA* lpNetResource,   // NETRESOURCEA*
    const(char)* lpPassword,   // LPCSTR optional
    const(char)* lpUserId,   // LPCSTR optional
    uint dwFlags,   // NET_CONNECT_FLAGS
    char* lpAccessName,   // LPSTR optional, out
    uint* lpBufferSize,   // DWORD* optional, in/out
    uint* lpResult   // DWORD* optional, out
);

ccall((:WNetUseConnectionA, "MPR.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{NETRESOURCEA}, Cstring, Cstring, UInt32, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt32}),
      hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> Ptr{Cvoid}
# lpNetResource : NETRESOURCEA* -> Ptr{NETRESOURCEA}
# lpPassword : LPCSTR optional -> Cstring
# lpUserId : LPCSTR optional -> Cstring
# dwFlags : NET_CONNECT_FLAGS -> UInt32
# lpAccessName : LPSTR optional, out -> Ptr{UInt8}
# lpBufferSize : DWORD* optional, in/out -> Ptr{UInt32}
# lpResult : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WNetUseConnectionA(
    void* hwndOwner,
    void* lpNetResource,
    const char* lpPassword,
    const char* lpUserId,
    uint32_t dwFlags,
    char* lpAccessName,
    uint32_t* lpBufferSize,
    uint32_t* lpResult);
]]
local mpr = ffi.load("mpr")
-- mpr.WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
-- hwndOwner : HWND optional
-- lpNetResource : NETRESOURCEA*
-- lpPassword : LPCSTR optional
-- lpUserId : LPCSTR optional
-- dwFlags : NET_CONNECT_FLAGS
-- lpAccessName : LPSTR optional, out
-- lpBufferSize : DWORD* optional, in/out
-- lpResult : DWORD* optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('MPR.dll');
const WNetUseConnectionA = lib.func('__stdcall', 'WNetUseConnectionA', 'uint32_t', ['void *', 'void *', 'str', 'str', 'uint32_t', 'char *', 'uint32_t *', 'uint32_t *']);
// WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
// hwndOwner : HWND optional -> 'void *'
// lpNetResource : NETRESOURCEA* -> 'void *'
// lpPassword : LPCSTR optional -> 'str'
// lpUserId : LPCSTR optional -> 'str'
// dwFlags : NET_CONNECT_FLAGS -> 'uint32_t'
// lpAccessName : LPSTR optional, out -> 'char *'
// lpBufferSize : DWORD* optional, in/out -> 'uint32_t *'
// lpResult : DWORD* optional, out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("MPR.dll", {
  WNetUseConnectionA: { parameters: ["pointer", "pointer", "buffer", "buffer", "u32", "buffer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
// hwndOwner : HWND optional -> "pointer"
// lpNetResource : NETRESOURCEA* -> "pointer"
// lpPassword : LPCSTR optional -> "buffer"
// lpUserId : LPCSTR optional -> "buffer"
// dwFlags : NET_CONNECT_FLAGS -> "u32"
// lpAccessName : LPSTR optional, out -> "buffer"
// lpBufferSize : DWORD* optional, in/out -> "pointer"
// lpResult : DWORD* optional, out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t WNetUseConnectionA(
    void* hwndOwner,
    void* lpNetResource,
    const char* lpPassword,
    const char* lpUserId,
    uint32_t dwFlags,
    char* lpAccessName,
    uint32_t* lpBufferSize,
    uint32_t* lpResult);
C, "MPR.dll");
// $ffi->WNetUseConnectionA(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult);
// hwndOwner : HWND optional
// lpNetResource : NETRESOURCEA*
// lpPassword : LPCSTR optional
// lpUserId : LPCSTR optional
// dwFlags : NET_CONNECT_FLAGS
// lpAccessName : LPSTR optional, out
// lpBufferSize : DWORD* optional, in/out
// lpResult : DWORD* optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Mpr extends StdCallLibrary {
    Mpr INSTANCE = Native.load("mpr", Mpr.class, W32APIOptions.ASCII_OPTIONS);
    int WNetUseConnectionA(
        Pointer hwndOwner,   // HWND optional
        Pointer lpNetResource,   // NETRESOURCEA*
        String lpPassword,   // LPCSTR optional
        String lpUserId,   // LPCSTR optional
        int dwFlags,   // NET_CONNECT_FLAGS
        byte[] lpAccessName,   // LPSTR optional, out
        IntByReference lpBufferSize,   // DWORD* optional, in/out
        IntByReference lpResult   // DWORD* optional, out
    );
}

@[Link("mpr")]
lib LibMPR
  fun WNetUseConnectionA = WNetUseConnectionA(
    hwndOwner : Void*,   # HWND optional
    lpNetResource : NETRESOURCEA*,   # NETRESOURCEA*
    lpPassword : UInt8*,   # LPCSTR optional
    lpUserId : UInt8*,   # LPCSTR optional
    dwFlags : UInt32,   # NET_CONNECT_FLAGS
    lpAccessName : UInt8*,   # LPSTR optional, out
    lpBufferSize : UInt32*,   # DWORD* optional, in/out
    lpResult : UInt32*   # DWORD* optional, out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WNetUseConnectionANative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Utf8>, Pointer<Utf8>, Uint32, Pointer<Utf8>, Pointer<Uint32>, Pointer<Uint32>);
typedef WNetUseConnectionADart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Utf8>, Pointer<Uint32>, Pointer<Uint32>);
final WNetUseConnectionA = DynamicLibrary.open('MPR.dll')
    .lookupFunction<WNetUseConnectionANative, WNetUseConnectionADart>('WNetUseConnectionA');
// hwndOwner : HWND optional -> Pointer<Void>
// lpNetResource : NETRESOURCEA* -> Pointer<Void>
// lpPassword : LPCSTR optional -> Pointer<Utf8>
// lpUserId : LPCSTR optional -> Pointer<Utf8>
// dwFlags : NET_CONNECT_FLAGS -> Uint32
// lpAccessName : LPSTR optional, out -> Pointer<Utf8>
// lpBufferSize : DWORD* optional, in/out -> Pointer<Uint32>
// lpResult : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WNetUseConnectionA(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEA*
  lpPassword: PAnsiChar;   // LPCSTR optional
  lpUserId: PAnsiChar;   // LPCSTR optional
  dwFlags: DWORD;   // NET_CONNECT_FLAGS
  lpAccessName: PAnsiChar;   // LPSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnectionA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WNetUseConnectionA"
  c_WNetUseConnectionA :: Ptr () -> Ptr () -> CString -> CString -> Word32 -> CString -> Ptr Word32 -> Ptr Word32 -> IO Word32
-- hwndOwner : HWND optional -> Ptr ()
-- lpNetResource : NETRESOURCEA* -> Ptr ()
-- lpPassword : LPCSTR optional -> CString
-- lpUserId : LPCSTR optional -> CString
-- dwFlags : NET_CONNECT_FLAGS -> Word32
-- lpAccessName : LPSTR optional, out -> CString
-- lpBufferSize : DWORD* optional, in/out -> Ptr Word32
-- lpResult : DWORD* optional, out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let wnetuseconnectiona =
  foreign "WNetUseConnectionA"
    ((ptr void) @-> (ptr void) @-> string @-> string @-> uint32_t @-> string @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* hwndOwner : HWND optional -> (ptr void) *)
(* lpNetResource : NETRESOURCEA* -> (ptr void) *)
(* lpPassword : LPCSTR optional -> string *)
(* lpUserId : LPCSTR optional -> string *)
(* dwFlags : NET_CONNECT_FLAGS -> uint32_t *)
(* lpAccessName : LPSTR optional, out -> string *)
(* lpBufferSize : DWORD* optional, in/out -> (ptr uint32_t) *)
(* lpResult : DWORD* optional, out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library mpr (t "MPR.dll"))
(cffi:use-foreign-library mpr)

(cffi:defcfun ("WNetUseConnectionA" wnet-use-connection-a :convention :stdcall) :uint32
  (hwnd-owner :pointer)   ; HWND optional
  (lp-net-resource :pointer)   ; NETRESOURCEA*
  (lp-password :string)   ; LPCSTR optional
  (lp-user-id :string)   ; LPCSTR optional
  (dw-flags :uint32)   ; NET_CONNECT_FLAGS
  (lp-access-name :pointer)   ; LPSTR optional, out
  (lp-buffer-size :pointer)   ; DWORD* optional, in/out
  (lp-result :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WNetUseConnectionA = Win32::API::More->new('MPR',
    'DWORD WNetUseConnectionA(HANDLE hwndOwner, LPVOID lpNetResource, LPCSTR lpPassword, LPCSTR lpUserId, DWORD dwFlags, LPSTR lpAccessName, LPVOID lpBufferSize, LPVOID lpResult)');
# my $ret = $WNetUseConnectionA->Call($hwndOwner, $lpNetResource, $lpPassword, $lpUserId, $dwFlags, $lpAccessName, $lpBufferSize, $lpResult);
# hwndOwner : HWND optional -> HANDLE
# lpNetResource : NETRESOURCEA* -> LPVOID
# lpPassword : LPCSTR optional -> LPCSTR
# lpUserId : LPCSTR optional -> LPCSTR
# dwFlags : NET_CONNECT_FLAGS -> DWORD
# lpAccessName : LPSTR optional, out -> LPSTR
# lpBufferSize : DWORD* optional, in/out -> LPVOID
# lpResult : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

WNetUseConnectionA

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